New bonus box sprite

Fix initial room config

engine part of nemo's patch

Fix passing hedgehogs number from engine to frontend

frontend's part of nemo patch

Hogville map

Update nature, City and Island themes

New hats

Awesome map (yes, again)

Fix rope regression (unable to change angle)

Apply nemo's patch polished by me: - Upto 48 hhs in game - Option for border - Disable some weapons on cavern maps

Custom spinbox for bonus boxes factor

Options for bonus box probability tuning and number of turn until sudden death

- Right way to handle rope ammo - Most probably adds bugs, so needs testing and testing

Remove ugly hack. It's so ugly...

Cache land texture update until frame render. This greately improves performance when there are many explosions, or you're using drilling weapon

Fix border drawing when drilling

Implement initial sound volume option

- nemo's patch for custom cave map dimensions - Fix for engine crash when not enough place for hedgehogs

A bit better template

Replace current templates with one cavern one

nemo's template patch (invertion)

Allow loading maps and forts

Fix airplane